Screen flickering
I have a laptop msi gf66 (i7 11, 3070, 16 gb ram). Began to notice during the game or after there is a barely noticeable flicker on the screen. It is seen mainly in light colors. At first I sinned on the temperature of the video card, in heavy games like resident evil 2 it could reach 83-86 degrees. However, in simpler games, where the temperature did not exceed 65 degrees, this also happens. In any case, flickering is associated with long gameplay. The flicker disappears either by itself or after a restart. Once the restart did not help, I had to turn it off for a long time, and then restart it and everything went away.OGAG
You could start with what you did, when and under what circumstances it started. This can be solved by updating the drivers for the card (bug).
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I bought it three months ago, there were no problems with the drivers. Tried reinstalling, doesn't help. The problem appeared after the second launch of Skyrim (special edition).
OGAG
Duck, go under warranty there, to the service of your store. It will be faster and easier already. It's hard to say what the reason is. Record a video at home to show the problem immediately. In the meantime, try to update everything - inside and out, from BIOS, drivers and updates to Windows. Fig knows. If not, then it's better to let them work in the service.
Maybe there is a fault in the circuit or something.